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Ruger SR-556E Auto Loading Rifle

SKU: SR-556E
Brand: Ruger
Ruger SR-556E Auto Loading Rifle
Ruger SR-556E Auto Loading Rifle

THE AR PLATFORM REDEFINED. The SR-556® offers Ruger's legendary rugged reliability, and comes factory standard with a host of accessories that today's shooters demand. Employing a patent-pending, chrome-plated, two-stage piston driven operating system that provides the user with a cleaner, cooler running, reliable firearm that is truly state-of-the-art.

The chrome-lined gas block and chrome-plated piston and regulator work together to provide a smooth power delivery stroke to the bolt carrier. The by-products of the gas system are vented out the bottom of the gas block, away from the bolt carrier, keeping the action clean and free from contaminants. The end result is significantly improved performance over gas driven rifles.


TWO-STAGE PISTON WITH ADJUSTABLE REGULATOR provides a cleaner, cooler running, reliable firearm with superior operating endurance. The two-stage piston provides a smooth power delivery stroke to the bolt carrier. The four position gas regulator can be adjusted for optimum reliability and superior operating endurance. The gas system may be closed completely for manual operation during training or when using a suppressor.

SIX-POSITION TELESCOPING M4-STYLE BUTTSTOCK is mounted on a mil-spec diameter tube.

COLD HAMMER-FORGED, MIL-SPEC 41V45 BARREL with removable flash suppressor ensures accuracy and longevity.

RUGER RAPID DEPLOY SIGHTS provide a windage adjustable rear sight and an elevation adjustable front sight. These lightweight sights can be folded to make room for optics, but can be instantly redeployed as needed.

A2-STYLE PISTOL GRIP with finger groove.

SMOOTH, TRIM, LIGHTWEIGHT ERGONOMIC HANDGUARD. Flattop receiver with Picatinny Rail at 12:00 position extends full length of handguard. Additional rails for 3:00, 6:00 and 9:00 positions sold separately.

ALSO INCLUDES: one MAGPUL PMAG® 30-round magazine and soft-sided case.

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